diff options
Diffstat (limited to 'sysdeps')
-rw-r--r-- | sysdeps/hppa/dl-runtime.c | 4 | ||||
-rw-r--r-- | sysdeps/hppa/dl-runtime.h | 31 | ||||
-rw-r--r-- | sysdeps/x86_64/dl-runtime.c | 9 | ||||
-rw-r--r-- | sysdeps/x86_64/dl-runtime.h | 35 |
4 files changed, 66 insertions, 13 deletions
diff --git a/sysdeps/hppa/dl-runtime.c b/sysdeps/hppa/dl-runtime.c index 885a3f1837..2d061b150f 100644 --- a/sysdeps/hppa/dl-runtime.c +++ b/sysdeps/hppa/dl-runtime.c @@ -17,10 +17,6 @@ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. */ -/* Clear PA_GP_RELOC bit in relocation offset. */ -#define reloc_offset (reloc_arg & ~PA_GP_RELOC) -#define reloc_index (reloc_arg & ~PA_GP_RELOC) / sizeof (PLTREL) - #include <elf/dl-runtime.c> /* The caller has encountered a partially relocated function descriptor. diff --git a/sysdeps/hppa/dl-runtime.h b/sysdeps/hppa/dl-runtime.h new file mode 100644 index 0000000000..6983aa0ae9 --- /dev/null +++ b/sysdeps/hppa/dl-runtime.h @@ -0,0 +1,31 @@ +/* Helpers for On-demand PLT fixup for shared objects. HPAA version. + Copyright (C) 2020 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +/* Clear PA_GP_RELOC bit in relocation offset. */ +static inline uintptr_t +reloc_offset (uintptr_t plt0, uintptr_t pltn) +{ + return pltn & ~PA_GP_RELOC; +} + +static inline uintptr_t +reloc_index (uintptr_t plt0, uintptr_t pltn, size_t size) +{ + return (pltn & ~PA_GP_RELOC )/ size; +} diff --git a/sysdeps/x86_64/dl-runtime.c b/sysdeps/x86_64/dl-runtime.c deleted file mode 100644 index b625d1e882..0000000000 --- a/sysdeps/x86_64/dl-runtime.c +++ /dev/null @@ -1,9 +0,0 @@ -/* The ABI calls for the PLT stubs to pass the index of the relocation - and not its offset. In _dl_profile_fixup and _dl_call_pltexit we - also use the index. Therefore it is wasteful to compute the offset - in the trampoline just to reverse the operation immediately - afterwards. */ -#define reloc_offset reloc_arg * sizeof (PLTREL) -#define reloc_index reloc_arg - -#include <elf/dl-runtime.c> diff --git a/sysdeps/x86_64/dl-runtime.h b/sysdeps/x86_64/dl-runtime.h new file mode 100644 index 0000000000..3fa61d7a46 --- /dev/null +++ b/sysdeps/x86_64/dl-runtime.h @@ -0,0 +1,35 @@ +/* Helpers for On-demand PLT fixup for shared objects. x86_64 version. + Copyright (C) 2020 Free Software Foundation, Inc. + This file is part of the GNU C Library. + + The GNU C Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Lesser General Public + License as published by the Free Software Foundation; either + version 2.1 of the License, or (at your option) any later version. + + The GNU C Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Lesser General Public License for more details. + + You should have received a copy of the GNU Lesser General Public + License along with the GNU C Library; if not, write to the Free + Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA + 02111-1307 USA. */ + +/* The ABI calls for the PLT stubs to pass the index of the relocation + and not its offset. In _dl_profile_fixup and _dl_call_pltexit we + also use the index. Therefore it is wasteful to compute the offset + in the trampoline just to reverse the operation immediately + afterwards. */ +static inline uintptr_t +reloc_offset (uintptr_t plt0, uintptr_t pltn) +{ + return pltn * sizeof (ElfW(Rela)); +} + +static inline uintptr_t +reloc_index (uintptr_t plt0, uintptr_t pltn, size_t size) +{ + return pltn; +} |